Question

Please help me, I wasn't sure which test to use so I did both of them on excel. Please let me know which is correct and answer A-C. I will give the answer a thumbs up if you can get back to me asap.

1. The physicians also believe that people who are obese are more likely to die earlier than those who are not. Again use the data in the Framingham sample to test this theory by comparing the mean number of days until death for the two groups. Use a significance level of α=0.05.

   1. State your null and alternative hypotheses (3 points)

   2. Calculate the appropriate test statistic. (9 points)

   3. Explain the results in a way that the physicians will be able to understand it. (3 points)

t-Test: Two-Sample Assuming Equal Variances Vanable 1 Vanable 2 Mean Variance Observations Pooled Variance Hypothesized Mean Difference df t Stat P(T< t) one-tail t Gritical one-tal P(T<-t) two-tall t Critical two-tai 7556.800777 4797024.367 3860 4885114.792 7161.522648 5478379.971 574 4432 3.997764 3.24919E-05 1.64519751 6.49838E-05 1.960499388 Pvalue- 6.49 20

Answer 1

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